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- [10] Synthesis and characterization of platinum(II)-bis(boryl) catalyst precursors for diboration of alkynes and diynes: Molecular structures of cis-[(PPh(3))(2)Pt(B-4-Bu(t)cat)(2)], cis-[(PPh(3))(2)Pt(Bcat)(2)], cis-[(dppe)Pt(Bcat)(2)], cis-[(dppb)Pt(Bcat)(2)], (E)-(4-MeOC(6)H(4))C(Bcat)=CH(Bcat), (Z)-(C6H5)C(Bcat)=C(C6H5)(Bcat), and (Z,Z)-(4-MeOC(6)H(4))C(Bcat)=C(Bcat)C(Bcat)=C(4-MeOC(6)H(4))(Bcat) (cat equals 1,2-O2C6H4; dppe equals Ph(2)PCH(2)CH(2)PPh(2); dppb equals Ph(2)P(CH2)(4)PPh(2)) ORGANOMETALLICS, 1996, 15 (24) : 5137 - 5154